Phthalic anhydride

all-trans-Retinol paramete

CAS No.: 68-26-8
MF: C36H60O2
Place of Origin: China
Grade Standard: Feed Grade, Food Grade, Medicine Grade
Brand Name: Lookchemical
Purity: 99%min
Appearance: yellow Powder
COA: available
used: food
brand: lookchemical
Other Names: Vitamin A
EINECS No.: 200-680-0
Type: Vitamins, Amino Acids and Coenzymes
Usage: Animal Pharmaceuticals
Shelf life: 2 Years
Sample: available
color: yellow
grade: food


Item Index
Character Yellow to brownish red liquid
Solubility Easy dissolve in water
PH 4~7 (1% water solution)
Heavy metals ≤0.002%
Retinol Content, IU/g 62000~65000
Microbiological Test Bacteria: ≤300CPU Fungi: ≤100CPU
Reference addition 0.5~2%



1.Vitamin A is the component of the photosensitive substance in the visual cells, which can guarantee the integrity and health of the epithelial tissue structure and promote the growth of the organism. In the absence of Chemicalbook, growth and development can be stunted, reproductive function impaired, and "night blindness" easily developed. Retinol acetate [127-47-9] is generally added to feed.

2.Used in pharmaceutical tablets and capsules, in the feed industry as a vitamin feed additive

3.Vitamin A is A fat-soluble vitamin, which is found in animal foods in the open form of free aldehydes or esters. It is abundant in fat, protein, milk and liver. Plants do not contain vitamin A, but the precursor of vitamin A (Provitamin icalbookmina), which is found in vegetables such as carrots and tomatoes, is converted into vitamin A by animals. Vitamin A is necessary to maintain the stability of human growth, development, reproduction and cell membrane, and plays an important role in the process of vision.

Product service

1. Certificate Of Analysis (COA)

2. Material Safety Data Sheet (MSDS)

3. Route of synthesis (ROS)

4. Method of Aanlysis (MOA)

5. Nuclear Magnetic Resonance (NMR)

6. Packing pictures and loading video before loading

7. Free Sample

8. Factory audit


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.

After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Q1: Do you accept sample order?
A:  We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
Q2:  What is our advantage?
A : The series of natural extracted product are all self-developed, produced and tested. Mature production technology, strict cost control, and perfect quality assurance system, ensure the product stability and competitive price.
Q3: What’s your MOQ?
A :  Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q4: Do you supply product report?
A : Yes. We'll give you product analysis report before shipping.
 Q5: Is there a discount?
A :  Different quantity has different discount.
Q6: Can we visit your factory?
A :  Yes. Welcome to visit.
Q7: How to confirm the Product Quality before placing orders?
A :  You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.


H302 (16.73%): Harmful if swallowed [Warning Acute toxicity, oral]

H317 (73.31%): May cause an allergic skin reaction [Warning Sensitization, Skin]

H319 (73.67%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

H360 (98.93%): May damage fertility or the unborn child [Danger Reproductive toxicity]

H413 (73.31%): May cause long lasting harmful effects to aquatic life [Hazardous to the aquatic environment, long-term hazard]




1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.


Packing can be conducted according to customers' requirements.

Delivery detail

   [Delivery] 5 working days after payment.

all-trans-Retinol picture

Packaging and shipping

Honor Certificate

Professional team